88431406 has 32 divisors (see below), whose sum is σ = 160745472. Its totient is φ = 35678880.

The previous prime is 88431391. The next prime is 88431457. The reversal of 88431406 is 60413488.

It is a super-2 number, since 2×88431406² = 15640227134273672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13305 + ... + 18811.

It is an arithmetic number, because the mean of its divisors is an integer number (5023296).

Almost surely, 2^88431406 is an apocalyptic number.

88431406 is a deficient number, since it is larger than the sum of its proper divisors (72314066).

88431406 is a wasteful number, since it uses less digits than its factorization.

88431406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 88431406 is about 9403.7974244451. The cubic root of 88431406 is about 445.5216808258.

The spelling of 88431406 in words is "eighty-eight million, four hundred thirty-one thousand, four hundred six".